#include <iostream>
#include <cmath>
using namespace std;

int main(){
    long double a,b,c,e,x;
    cin>>c;
    cout<<"<"<<c<<">"<<endl;

    int d;
    a=1,b=1,d=1;
    while(c>d){
    d++;
    x=a/b;
    e=a+b;
    cout<<a<<"/"<<b<<":"<<x<<endl;
    a=b,b=e;
}
    cout<<endl;
}
